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← TechnologyWhich outcome occurs when a proportional valve in an industrial hydraulic system experiences rapid thermal expansion?
A)Reduced accuracy position control✓
B)Increased system bulk modulus value
C)Lower fluid oxidation thermal rate
D)Quicker settling time for spool position
💡 Explanation
When a proportional valve experiences rapid thermal expansion, hysteresis increases due to changes in the valve's internal geometry and material properties affecting spool position because the fit changes between components. Therefore, reduced accuracy results, rather than bulk modulus changes, lower oxidation or quicker settling, which depend on different thermal and mechanical properties
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